#addIconsToScreen {
  width: 220px;
  height: 70px;
  position: fixed;
  border: 2px solid transparent;
  z-index:9999;
}

.firefox {
  top:0px;
  right:0px;
  left:0px;
  bottom:0px;
  margin:auto;
  position:absolute;
  z-index:9999;
}

.chrome {
  top:10px;
  right:10px;
}

.safari {
  bottom:10px;
  margin: 0 auto;
  left:0;
  right:0;
}

.bg {
  width:100%;
  height:100%;
  opacity : 0.5;
  background-color: #666;
  border: 2px solid #666;
  border-radius:5px;
}

.bg:before {
  border: solid transparent;
  content: ' ';
  height: 0;
  position: absolute;
  width: 0;
  border-width: 12px;
} 

.safari .bg:before {
  top: 100%;
  left: 0;
  right: 0;
  margin:0 auto;
  border-top-color: #666;
}

.chrome .bg:before {
  top: -33%;
  right: 10px;
  border-bottom-color: #666;
}

#addIconsToScreen .icon {
    /*background: url('img/72.png') no-repeat center;*/
    background-size: 70px 70px;
    width: 70px;
    height: 70px;
    top:0;
    bottom:0;
    margin: auto;
    position:absolute;
}

#addIconsToScreen .des {
    position:absolute;
    left:75px;
    top:0px;
    width:150px;
    height:70px;
    font-size:18px;
    line-height: 30px;
    margin: 5px 0px;
}

#addIconsToScreen .btn {
    display: inline-block;
    width: 25px;
    height: 25px;
    background: url('img/btn.png') no-repeat center;
    background-size: 25px 25px;
    margin-left: 10px;
}

#addIconsToScreen .close {
    position: absolute;
    right: 0px;
    display: block;
    width: 20px;
    height: 20px;
    top: 5px;
    background: url('img/close_btn.png') no-repeat center;
    background-size: 16px 16px;
    margin: 0 0 20px 20px;
}
